Bangladesh has been experiencing heat waves across the country, with a high of 41.5 degrees Celsius in Chuadanga on Friday
Dhaka Metropolitan Police spokesman Md Masudur Rahman said personnel from police stations and the Detective Branch launched the raids on Thursday morning.
They seized 22,448 yaba pills, 854 packs of heroin, around 3kg marijuana and 47 sleeping pills during the raids that ended on Friday morning.
Masudur said 59 cases were started against the suspects under the Narcotics Control Act.